155 lines
2.3 KiB
C++
155 lines
2.3 KiB
C++
// -*- c++ -*-
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// no-threads.h - Defines for using no threads.
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/* Copyright (C) 1998, 1999 Cygnus Solutions
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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#ifndef __JV_NO_THREADS__
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#define __JV_NO_THREADS__
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#include "config.h"
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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//
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// Typedefs.
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//
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typedef int _Jv_ConditionVariable_t;
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typedef int _Jv_Mutex_t;
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typedef int _Jv_Thread_t;
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typedef void _Jv_ThreadStartFunc (java::lang::Thread *);
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//
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// Condition variables.
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//
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inline void
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_Jv_CondInit (_Jv_ConditionVariable_t *)
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{
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}
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// Waiting is ok provided there is a timeout. Otherwise we will just
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// wait forever.
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inline int
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_Jv_CondWait (_Jv_ConditionVariable_t *, _Jv_Mutex_t *,
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jlong millis, jint nanos)
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{
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if (millis == 0 && nanos == 0)
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JvFail ("_Jv_CondWait without timeout");
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#ifdef HAVE_SLEEP
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int seconds = millis / 1000;
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if (seconds > 0)
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sleep (seconds);
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#endif
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return 0;
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}
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inline int
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_Jv_CondNotify (_Jv_ConditionVariable_t *, _Jv_Mutex_t *)
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{
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// It is ok to notify -- it just has no effect.
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return 0;
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}
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inline int
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_Jv_CondNotifyAll (_Jv_ConditionVariable_t *, _Jv_Mutex_t *)
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{
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// It is ok to notify -- it just has no effect.
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return 0;
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}
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//
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// Mutexes.
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//
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inline void
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_Jv_MutexInit (_Jv_Mutex_t *)
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{
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}
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inline int
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_Jv_MutexLock (_Jv_Mutex_t *)
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{
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return 0;
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}
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inline int
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_Jv_MutexUnlock (_Jv_Mutex_t *)
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{
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return 0;
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}
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//
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// Thread creation and manipulation.
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//
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inline void
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_Jv_InitThreads (void)
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{
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}
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inline void
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_Jv_ThreadInitData (_Jv_Thread_t **data, java::lang::Thread *)
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{
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*data = NULL;
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}
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inline java::lang::Thread *
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_Jv_ThreadCurrent (void)
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{
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extern java::lang::Thread *_Jv_OnlyThread;
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return _Jv_OnlyThread;
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}
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inline void
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_Jv_ThreadYield (void)
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{
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}
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inline void
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_Jv_ThreadSetPriority (_Jv_Thread_t *, jint)
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{
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}
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inline void
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_Jv_ThreadCancel (_Jv_Thread_t *, void *)
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{
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JvFail ("_Jv_ThreadCancel");
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}
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// Like Cancel, but doesn't run cleanups.
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inline void
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_Jv_ThreadDestroy (_Jv_Thread_t *)
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{
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JvFail ("_Jv_ThreadDestroy");
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}
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void _Jv_ThreadStart (java::lang::Thread *, _Jv_Thread_t *,
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_Jv_ThreadStartFunc *meth);
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inline void
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_Jv_ThreadWait (void)
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{
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}
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inline void
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_Jv_ThreadInterrupt (_Jv_Thread_t *)
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{
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}
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#endif /* __JV_NO_THREADS__ */
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